Irregularia

Taxonavigation

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: ParaHoxozoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Echinodermata
Subphylum: Eleutherozoa
Superclassis: Cryptosyringida
Classis: Echinoidea
Subclassis: Euechinoidea
Infraclassis: Irregularia
Superordines: Atelostomata - Echinoneoida - Holectypoida - Micropygoida - Neognathostomata

Following WoRMS :

• super-ordo Atelostomata
  • ordo Holasteroida
  • ordo Spatangoida
  • fossil familia Acrolusiidae Mintz, 1968 †
  • fossil familia Collyritidae d'Orbigny, 1853 †
  • fossil familia Disasteridae Gras, 1848 †
  • fossil familia Tithoniidae Mintz, 1968 †
• super-ordo Neognathostomata
  • ordo Cassiduloida
  • ordo Clypeasteroida
  • ordo Echinolampadoida
  • familia Apatopygidae Kier, 1962
  • fossil familia Archiaciidae Cotteau & Triger, 1869 †
  • fossil familia Clypeidae Lambert, 1898 †
  • fossil familia Clypeolampadidae Kier, 1962 †
  • fossil familia Nucleolitidae L. Agassiz & Desor, 1847 †
  • fossil familia Pygaulidae Lambert, 1905 †
  • fossil genus Pygolampas Saucède, Dudicourt & Courville, 2012 †
• ordo Echinoneoida
• ordo fossile Holectypoida †
• fossil familia Desorellidae Lambert, 1911a †
• fossil familia Galeropygidae Lambert, 1911a †
• fossil familia Menopygidae Lambert, 1911 †
• fossil familia Pygasteridae Lambert, 1900 †
• fossil familia Pygorhytidae Lambert, 1909b †
• fossil genus Atlasaster Lambert, 1931 †
• fossil genus Grasia Michelin, 1854 †
• fossil genus Mesodiadema Neumayr, 1889 †

• 
  Pourtalesia wandeli (Holasteroida)
• 
  Lovenia elongata (Spatangoida)
• 
  Fossile de Clypeus plotii (Cassiduloida)
• 
  Echinocyamus pusillus (Clypeasteroida)
• 
  Echinolampas depressa (Echinolampadoida)
• 
  Echinoneus cyclostomus (Echinoneoida).

References

• Arachchige, G.M., Jayakody, S., Mooi, R. & Kroh, A. 2019. Taxonomy and distribution of irregular echinoids (Echinoidea: Irregularia) from Sri Lanka. Zootaxa 4541(1): 1–100. DOI: 10.11646/zootaxa.4541.1.1 Reference page. 
• Ciampaglio, C.N. & Phillips, G.E. 2016. Irregular echinoids of the Upper Cretaceous Coon Creek Beds in Tennessee. Pp 59–77 In Ehret, D.J., Harrell, T.L., Jr. & Ebersole, S.M. (eds.) 2016. The Paleontology of the Cretaceous Coon Creek Formation. Bulletin of the Alabama Museum of Natural History, Bull. 33, vol. 2: 1-121. Reference page. . Reference page. 

Vernacular names